// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_DOWNLOAD_SAVE_TYPES_H_
#define CONTENT_BROWSER_DOWNLOAD_SAVE_TYPES_H_

#include <stdint.h>

#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

#include "base/files/file_path.h"
#include "gpu/command_buffer/common/id_type.h"
#include "url/gurl.h"

namespace content {

class SavePackage;
using SavePackageId = gpu::IdType32<SavePackage>;

class SaveItem;
using SaveItemId = gpu::IdType32<SaveItem>;

// Map from save_item_id into final file path.
using FinalNamesMap = std::unordered_map<SaveItemId, base::FilePath, SaveItemId::Hasher>;

// This structure is used to handle and deliver some info
// when processing each save item job.
struct SaveFileCreateInfo {
    enum SaveFileSource {
        // This type indicates the source is not set.
        SAVE_FILE_FROM_UNKNOWN = -1,
        // This type indicates the save item needs to be retrieved from the network.
        SAVE_FILE_FROM_NET = 0,
        // This type indicates the save item needs to be retrieved from serializing
        // DOM.
        SAVE_FILE_FROM_DOM,
    };

    // Constructor for SAVE_FILE_FROM_DOM and/or SAVE_FILE_FROM_FILE.
    SaveFileCreateInfo(const base::FilePath& path,
        const GURL& url,
        SaveItemId save_item_id,
        SavePackageId save_package_id,
        int render_process_id,
        int render_frame_routing_id,
        SaveFileSource save_source);

    // Constructor for SAVE_FILE_FROM_NET case.
    SaveFileCreateInfo(const GURL& url,
        const GURL& final_url,
        SaveItemId save_item_id,
        SavePackageId save_package_id,
        int render_process_id,
        int render_frame_routing_id,
        int request_id,
        const std::string& content_disposition,
        int64_t total_bytes);

    SaveFileCreateInfo(const SaveFileCreateInfo& other);

    ~SaveFileCreateInfo();

    // SaveItem fields.
    // The local file path of saved file.
    base::FilePath path;
    // Original URL of the saved resource.
    GURL url;
    // Final URL of the saved resource since some URL might be redirected.
    GURL final_url;
    // The unique identifier of SaveItem object associated with this job.
    SaveItemId save_item_id;
    // ID of SavePackage object.
    SavePackageId save_package_id;
    // IDs for looking up the contents we are associated with.
    int render_process_id;
    int render_frame_routing_id;
    // Handle for informing the ResourceDispatcherHost of a UI based cancel.
    int request_id;
    // Disposition info from HTTP response.
    std::string content_disposition;
    // Total bytes of saved file.
    int64_t total_bytes;
    // Source type of saved file.
    SaveFileSource save_source;
};

} // namespace content

#endif // CONTENT_BROWSER_DOWNLOAD_SAVE_TYPES_H_
